A List of Hacker News's Undocumented Features and Behaviors (github.com)

This is a really nice list! I didn't even know half of those links existed.

I've just been informed that my account is shadowbanned from voting and flagging. This is not a possible behaviour on the list, and should be added.

Previously:

A List of Hacker News's Undocumented Features and Behaviors - https://news.ycombinator.com/item?id=42835806 - Jan 2025 (10 comments)

A list of Hacker News's undocumented features and behaviors - https://news.ycombinator.com/item?id=38773957 - Dec 2023 (283 comments)

Hidden Functions of Hacker News - https://news.ycombinator.com/item?id=38572756 - Dec 2023 (1 comment)

A List of Hacker News's Undocumented Features and Behaviors - https://news.ycombinator.com/item?id=33076053 - Oct 2022 (70 comments)

* A List of Hacker News's Undocumented Features and Behaviors* - https://news.ycombinator.com/item?id=30459276 - Feb 2022 (67 comments)

A List of Hacker News's Undocumented Features and Behaviors (2018-20) - https://news.ycombinator.com/item?id=26866482 - April 2021 (259 comments)

A List of Hacker News's Undocumented Features and Behaviors (2018) - https://news.ycombinator.com/item?id=23439437 - June 2020 (267 comments)

A List of Hacker News's Undocumented Features and Behaviors - https://news.ycombinator.com/item?id=20292361 - June 2019 (25 comments)

A List of Hacker News's Undocumented Features and Behaviors - https://news.ycombinator.com/item?id=19212822 - Feb 2019 (188 comments)

Hacker News's Undocumented Features and Behaviors - https://news.ycombinator.com/item?id=16437973 - Feb 2018 (395 comments)

I was hoping this page would tell me how to italicize words. I still don't know how.

> After a post or comment is made, it can be edited by the author within 2 hours.

This doesn't apply to certain special posts, such as "Ask HN: Who wants to be hired?"

Comments are always editable there.